Charging apparatus for blast-furnaces.



J. KENNEDY. QHARGING APPARATUS FOR BLAST FURNACES AP PLICATION FILED OCT- 14, I'9l6- Patented Jan.'14, 1919.

2 SHEETS-SHEET I.

mvsuron 'WI TN ESSES J'. KENNEDY. CHARGING APPARATUS FOR BLASI FURNACES.

APPLICATION FILED OCT. [4. 1916.

Patented Jan. 14, 1919.

2 SHEEIV'SQSHEET 2.

' WITNESSES UNITED STATES PA'rnNr orrron.

JULIAN ENNEDY, F PITTSBURGH, PENNSYLVANIA.

CHARGING APPARATUS FOR BLAST-WAGES. 1,291,019. Specification o! Zetters Patent. I Patentd 131 ,14, 1919,

Application filed October 14, 1916. swarm. 196,586.

To allwlrom it may concern: which bears over the ed es of the central :Be it known that I, JULIAN KENNEDY, a hole in the wing bearing ame 6. A key 15 citizen of the Umted States, residing at removably secures the pin 13 and thereby Pittsburgh, Allegheny county, Pennsylvasu ports the hell 4 from the wing carrying nia, have invented a new and useful Charghu 6. The outer edges'of the wings 5 exmg Apparatus for Blast-Furnaces, of which tend to the inner walls of the hopper, $0.60 thefollowin is a full, clear, and exactdethat the wings serve to center the bell 4. scription, re erence being had to the accom- The supporting rods 11 extend throu h the panying drawmgs, forming part of this conical top 16 of the hopper 3, curved sTots 17 specification, in' which being formed-through thickened portions of Figure 1 is a vertical section through the said, top. Over the slots 17 are secured charging apparatus and top of a blast furplates 18, one of saidplates being shown in r Fig. 5 and the other of said plates being re- Fig. 2 is a plan view of theguiding wings. moved. Each plate 18 has a hole near one Fig. 3 is a side elevation of the guiding end through which passes one of the rods 11.

wings. 7 By removing the holding screws for the F1 4 1s a vertical section taken along the plates 18, the rods 11 may be swung in the 11116 V-IV of Fig. 2. slots 17 thus turning the guiding wings and Fig. 5 is a plan view of the hopper, and distributing the wear on the hopper. After Fi 6 is a vertical section showing a modit e rods are swung, each plate 18 is turned fied orm of the supporting means for the end for end around the rod and screwed bells. again in place. This permits the rods to be The present invention relates to charging moved back and forth without removing the apparatus for blast furnaces, and particu plates 18 from the rods, and at the same larly to an improvement in the type of time provides a tight closure for the slots 17.

charging apparatus shown in my prior Pat- The upper edges of the guides 5 are pro- .80

ent N 0. 1,178,522, issued April 11, 1916. In vided with knife edges 20 which serve to my prior patent I have shown a number of split the charge as It passes between the radially disposed discharge wings or guides guides. The wedge-shaped guides separate formed by vertical plates located i'ust above the charge into a series of separate streams,

and coacting with the discharge be 1. I have indicated at 21, in Fig. 1, which are annufound that by making the discharge guides larly disposed around the interior of the fur wedge-shaped the charge as it is discharged nace. This breaking up of the discharge from the hopper into the furnace can be diinto a series of streams not only serves to vided into a series of separate streams. This distribute the charge uniformly around the not only causes a more thorough mixing of inside of the furnace, but also serves to betthe charge, but also permits a freer escape ter mix the charge. Moreover, the spaces of the furnace gases, which can flow between left between the streams permit a free escape thestreams. of the furnace gases during the charging Referring to the drawings, which illusoperation. trate the preferred embodiment.of the in In Fig. 6 is shown amodification in which vention, the blast furnace 2 is provided with the guides 5 are formed'integral with the a discharge hopper 3. 'The hopper 3 has a hell 4. The bell 4 is hung on a central supbell 4. Cooperating with the bell are a seporting rod 30 which is pivotally mounted ries of wedge-shaped wings or guides'5. As at'.31 to permit the bell to be turned and shown in Figs. 2 and 3 the wings 5 are prefthereby distribute the wear on the inside of erably formed integral with a conical hub 6, the hopper. The bell 32 for the upper or re- .which fits over the upper part of the hell 4. ceiving hopper issupported by a sleeve 33 Two of the wings are extended upwardly sliding on the rod 30. I and are provided with sockets 10, in which While the preferred embodiment of the are received the supporting rods 11 which present invention has been illustrated and support the wings and hell 4. The central described, it is to be understood that the boss 12 of the bell 4 is provided with a pin present invention is not limited to its illus 13' which is received through a washer 14 trated embodiment,'but may be embodied in 20 pointing wedges and having outer substanthem, and a pin secur other constructions of blast furnace char spaces between the streams within the hoping apparatus, within the scope o the f per; substantially as described.

lowing claims. 4. A charging apparatus for blast fur- I claim: naces, comprisingla hopper and a conical bell 1. A charging apparatus for blast furco-acting with t e hopper and seatin upnaces, comprisin a hopper and bell coopwardly against the-same, a conical hu fiterating' therewit a plurality of radial ting over the upper part of the bell, and a charge guides spaced around. the bell, rods plurality of radially disposed charge gu1d-'.

for supporting the ides, and supporting ing wings carriedby the hub and extending 10 means connectmg t e bell to the guides beyond the hub down along the conical sur-' whereby the bell is supported by the guides, face of the bell; substantially as described. substantially as described. 5. A charging apparatus for blast fur 2. A charging apparatus for blast furnaces,comprising'a hopper and aconical bell naces, comprising a hopper and a conical co-jacting with the hopper and seating upbell co-acting with the hopper and seating wardly against the same, a hub and a pluupwardly against the same, and a plurality rality of radially disposed charge guidlng of charge guidin wings spaced around the wings securedthereto and spaced over the conical surface 0 the bell, said wings havconical surface of the 'bell, a plurality of in the form of radially extending upwardly rods connected to the eguides for supporting to the upper part of tially vertical edges adjacent to and fitting the bell and extending through the hub for within the hopper, said wings terminating at supporting the bell; substantially as detheir lower edges against the conical surscribed. face of the bell, so 'that'the charge as deliv- 6. A charging apparatus for blast furcred from the conical surface of the bell is naces, comprislng a hopper, a conical bell divided into streams separated by air spaces co-acting with the hopper and seating upbetween the bell and the lower edge of the wardly against the same,' a plurality of rahopper; substantially as described. dially disposed charge guides spaced around 3. A, charging apparatus for blast furthe bell, a plurality of rods for supporting names, comprlsin a hopper and'co-nical bell the guides and conn ted thereto at a disco-acting with t e hopper and seating uptancefrom the axis of the bell, and supportwardlv against the same, and a plurality of ing means connecting the bell with the guides charge guiding wings spaced around the whereby the bell is supported by the guides; conical surface of the bell, said wings havsubstantially as described,

ing the form of radially extending upwardly In testimony whereof, I have hereunto set 'pointing wedges and having outer substanmy hand.

tially Vernon edges adjacent to and fitting JULIAN KENNEDY. within the hopper so as to be drawn into the Witnesses: hopper when the bell is raised and so as to H. W. Hum,

40 form centering means for the bell and air MARGERY FITZGERALD. 

